CN217808458U

CN217808458U - Rotation limiting device of marine crane

Info

Publication number: CN217808458U
Application number: CN202221793740.1U
Authority: CN
Inventors: 李会; 李博; 赵广宾; 候超越; 李松达
Original assignee: Henan Haitai Heavy Industry Co ltd
Current assignee: Henan Haitai Heavy Industry Co ltd
Priority date: 2022-07-11
Filing date: 2022-07-11
Publication date: 2022-11-15
Anticipated expiration: 2032-07-11

Abstract

The utility model discloses a marine crane's gyration stop device relates to the spacing technical field of hoist gyration, specifically is including the base, the inside fixedly connected with fixing base of base, the top fixedly connected with motor of fixing base, the first gear of output shaft fixedly connected with of motor, the inside rotation of base is connected with the second gear, second gear and first gear engagement, the below fixedly connected with dead lever of second gear, the below of dead lever is rotated and is connected with fixed cover. This gyration stop device of marine crane sets up through the cooperation of slider, spring, gag lever post, hydraulic stem, fixed plate and spacing post connecting band, can insert the gag lever post spacing inslot with the gag lever post under the spacing circumstances of needs at the in-process of using to play the effect of the spacing ability of reinforcing device, reached and avoided the hoist to revolve under the bad weather condition and exceeded the purpose of limit.

Description

Rotation limiting device of marine crane

Technical Field

The utility model relates to a hoist gyration is spacing technical field, specifically is a marine crane's gyration stop device.

Background

The crane is a multi-action hoisting machine for vertically lifting and horizontally carrying heavy objects in a certain range, also called a crown block, a navigation crane and a crane, and the tyre crane is mainly characterized in that a driving cab and a hoisting control cab of the tyre crane are combined into a whole and are formed by evolving a crawler crane, a crawler and a walking bracket of a walking mechanism are changed into a chassis with tyres, the defect that a crawler plate of the crawler crane damages the road surface is overcome, and the tyre crane belongs to material carrying machinery.

The rotation angle of the rotation limiting device of the existing crane is generally fixed, so that the rotation limiting device is troublesome to adjust temporarily and needs a long time sometimes, the limiting effect of the rotation limiting device of the existing crane is poor, and the crane cannot be completely limited sometimes under severe weather conditions such as strong wind and the like.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a marine crane's gyration stop device has solved the problem of proposing in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a gyration stop device of marine crane, includes the base, the inside fixedly connected with fixing base of base, the top fixedly connected with motor of fixing base, the first gear of output shaft fixedly connected with of motor, the inside of base is rotated and is connected with the second gear, second gear and first gear engagement, the below fixedly connected with dead lever of second gear, the below of dead lever is rotated and is connected with fixed cover, the lower extreme of fixed cover and the inner wall fixed connection of base, the spout has been seted up to the top of fixed cover, the inside sliding connection of spout has the slider, one side fixedly connected with spring of slider, one end of spring and one side fixed connection of spout, the top fixedly connected with gag lever post of slider, the spacing groove with gag lever post looks adaptation is seted up to the surface of dead lever, one side of gag lever post is provided with the connecting band.

Optionally, the top fixedly connected with hydraulic stem of fixed cover, the one end fixedly connected with fixed plate of hydraulic stem, the both ends fixed connection of one side and the connecting band of fixed plate, the spacing post of top fixedly connected with of fixed cover, the surface of spacing post and the surface butt of connecting band.

Optionally, a third gear is engaged with the outer wall of the second gear, a supporting rod is fixedly connected below the third gear, a first belt wheel is fixedly connected to one side of the supporting rod, a second belt wheel is rotatably connected to the inside of the base, and belts are arranged on the outer surfaces of the second belt wheel and the first belt wheel.

Optionally, the outer fixed surface of belt is connected with the touch piece, the inner diapire of base set up with the spout of touching quick looks adaptation, the quantity of second band pulley is a plurality of.

Optionally, an electric push rod is fixedly connected to the inner bottom wall of the base, a supporting plate is fixedly connected to one end of the electric push rod, a limit switch is fixedly connected to one side of the supporting plate, the limit switch is electrically connected with the motor through a wire, a control switch is arranged on one side of the base, the control switch is electrically connected with the electric push rod through a wire, and the limit switch is electrically connected with the motor through a wire.

Optionally, a rotating disc is rotatably connected to the upper side of the base, and the lower surface of the rotating disc is fixedly connected with the upper surface of the second gear.

(III) advantageous effects

The utility model provides a marine crane's gyration stop device possesses following beneficial effect:

1. this gyration stop device of marine crane sets up through the cooperation of slider, spring, gag lever post, hydraulic stem, fixed plate and spacing post connecting band, can insert the gag lever post spacing inslot with the gag lever post under the spacing circumstances of needs at the in-process of using to play the effect of the spacing ability of reinforcing device, reached and avoided the hoist to revolve under the bad weather condition and exceeded the purpose of limit.

2. This gyration stop device of marine crane sets up through first band pulley, second band pulley, belt, touch piece, electric putter, backup pad and limit switch's cooperation, and the in-process that uses can adjust the position of backup pad as required to play the effect of adjustment hoist gyration angle, reached the purpose that increases the device practicality.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic structural view of a front view section of the present invention;

fig. 3 is an enlarged schematic view of a portion a of fig. 2 according to the present invention;

fig. 4 is a schematic structural view of a top view section of the base of the present invention;

fig. 5 is an enlarged schematic view of the structure at B in fig. 4 according to the present invention.

In the figure: 1. a base; 2. a fixed seat; 3. a motor; 4. a first gear; 5. a second gear; 6. fixing the rod; 7. fixing a sleeve; 8. a slider; 9. a spring; 10. a limiting rod; 11. a connecting belt; 12. a hydraulic lever; 13. a fixing plate; 14. a limiting column; 15. a third gear; 16. a support bar; 17. a first pulley; 18. a second pulley; 19. a belt; 20. a touch block; 21. an electric push rod; 22. a support plate; 23. a limit switch; 24. and (6) rotating the disc.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1 to 5, the present invention provides a technical solution: a rotation limiting device of a marine crane comprises a base 1, wherein a fixed seat 2 is fixedly connected inside the base 1, a motor 3 is fixedly connected above the fixed seat 2, an output shaft of the motor 3 is fixedly connected with a first gear 4, a second gear 5 is rotatably connected inside the base 1, the second gear 5 is meshed with the first gear 4, a fixed rod 6 is fixedly connected below the second gear 5, a fixed sleeve 7 is rotatably connected below the fixed rod 6, the lower end of the fixed sleeve 7 is fixedly connected with the inner wall of the base 1, a chute is arranged above the fixed sleeve 7, a sliding block 8 is slidably connected inside the chute, a spring 9 is fixedly connected to one side of the sliding block 8, one end of the spring 9 is fixedly connected with one side of the chute, and a limiting rod 10 is fixedly connected above the sliding block 8, the outer surface of the fixing rod 6 is provided with a limiting groove matched with the limiting rod 10, one side of the limiting rod 10 is provided with a connecting band 11, the limiting rod 10 can be inserted into the limiting groove under the condition of limiting through the matching arrangement of a sliding block 8, a spring 9, the limiting rod 10, a hydraulic rod 12, a fixing plate 13 and a limiting column 14, so that the limiting capacity of the device is enhanced, the purpose of preventing the crane from rotating beyond the limit under the severe weather condition is achieved, the hydraulic rod 12 is fixedly connected above the fixing sleeve 7, one end of the hydraulic rod 12 is fixedly connected with the fixing plate 13, one side of the fixing plate 13 is fixedly connected with two ends of the connecting band 11, the limiting column 14 is fixedly connected above the fixing sleeve 7, and the outer surface of the limiting column 14 is abutted against the outer surface of the connecting band 11, the outer wall meshing of second gear 5 is connected with third gear 15, the below fixedly connected with bracing piece 16 of third gear 15, one side fixedly connected with first band pulley 17 of bracing piece 16, the inside of base 1 is rotated and is connected with second band pulley 18, the surface of second band pulley 18 and first band pulley 17 all is provided with belt 19, belt 19's external surface fixedly connected with touches piece 20, the spout with touching quick looks adaptation is seted up to the interior diapire of base 1, the quantity of second band pulley 18 is a plurality of, the interior diapire fixedly connected with electric putter 21 of base 1, electric putter 21's one end fixedly connected with backup pad 22, one side fixedly connected with limit switch 23 of backup pad 22, limit switch 23 is connected with motor 3 electricity through the wire, one side of base 1 is provided with control switch, control switch is connected with electric putter 21 through the wire, limit switch 23 is connected with motor 3 electricity through the wire, the top of base 1 is rotated and is connected with rolling disc 24, the lower surface of rolling disc 24 is connected with the upper surface fixed of second gear 5, through first band pulley 17,

second band pulley

18, 19, the electric putter 21 is connected with motor 3 electricity through the wire, the regulation of backup pad, thereby the regulation of the angle has reached the practical band pulley 20, has increased in-wheel cooperation of the device according to the pulley 20, thereby the hoist process needs the regulation.

When the crane is used, according to the requirement of a rotation angle, the pneumatic control switch is used, the control switch controls the electric push rod 21 to stretch, the electric push rod 21 drives the supporting plate 22 to move, the supporting plate 22 drives the limit switch 23 to move, the rotation angle of the crane is adjusted by adjusting the position of the limit switch 23, when the crane needs to rotate, the motor 3 drives the first gear 4 to rotate, the first gear 4 drives the second gear 5 to rotate, the second gear 5 drives the crane to rotate through the rotating disc 24, the second gear 5 drives the third gear 15 to rotate, the third gear 15 drives the first belt wheel 17 to rotate through the supporting rod 16, the first belt wheel 17 drives the second belt wheel 18 to rotate through the belt 19, the belt 19 drives the touch block to move quickly, when the crane rotates to a limit position, the touch block 20 touches the limit switch 23, the limit switch 23 controls the motor 3 to stop rotating, when the crane needs to be limited, the hydraulic rod 12 is controlled to extend, and the connecting belt 11 is tensioned, the connecting belt 11 pushes the limiting rod 10 to be inserted into the limiting groove of the fixing rod 6, the fixing rod 6 is firmly, and the second gear 5 and the rotating disc 24 are completely limited.

The utility model discloses a theory of operation and beneficial effect: this gyration stop device of marine crane, through slider 8, spring 9, gag lever post 10, hydraulic stem 12, the cooperation setting of fixed plate 13 and spacing post 14 connecting band 11, can insert the gag lever post 10 spacing inslot under the spacing circumstances of needs at the in-process that uses, thereby the effect of the spacing ability of reinforcing device has been played, the purpose of avoiding the hoist to revolve more than the limit under the bad weather condition has been reached, through first band pulley 17, second band pulley 18, belt 19, touching piece 20, electric putter 21, backup pad 22 and limit switch 23's cooperation setting, the position of backup pad 22 can be adjusted as required to the in-process that uses, thereby the effect of adjustment hoist rotation angle has been played, reach the purpose that increases the device practicality.

The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a marine crane's gyration stop device, includes base (1), its characterized in that: the utility model discloses a safety protection device for a motor, including base (1), the inside fixedly connected with fixing base (2) of base (1), the top fixedly connected with motor (3) of fixing base (2), the first gear (4) of output shaft fixedly connected with of motor (3), the inside of base (1) is rotated and is connected with second gear (5), second gear (5) and first gear (4) meshing, the below fixedly connected with dead lever (6) of second gear (5), the below of dead lever (6) is rotated and is connected with fixed cover (7), the lower extreme of fixed cover (7) and the inner wall fixed connection of base (1), the spout has been seted up to the top of fixed cover (7), the inside sliding connection of spout has slider (8), one side fixedly connected with spring (9) of slider (8), one side fixed connection of one end and spout of spring (9), the top fixedly connected with gag lever (10) of slider (8), the surface of dead lever (6) is seted up the spacing groove with gag lever (10) looks adaptation, one side of gag lever (10) is provided with connecting band (11).

2. The slewing stop device of a marine crane according to claim 1, wherein: the top fixedly connected with hydraulic stem (12) of fixed cover (7), the one end fixedly connected with fixed plate (13) of hydraulic stem (12), the both ends fixed connection of one side and connecting band (11) of fixed plate (13), the top fixedly connected with spacing post (14) of fixed cover (7), the surface butt of the surface of spacing post (14) and connecting band (11).

3. The slewing stop device of the marine crane according to claim 1, wherein: the outer wall meshing of second gear (5) is connected with third gear (15), the below fixedly connected with bracing piece (16) of third gear (15), one side fixedly connected with first band pulley (17) of bracing piece (16), the inside of base (1) rotates and is connected with second band pulley (18), the surface of second band pulley (18) and first band pulley (17) all is provided with belt (19).

4. The slewing stop device of the marine crane according to claim 3, wherein: the fixed surface of belt (19) is connected with touch piece (20), the spout with the quick looks adaptation of touching is seted up to the interior diapire of base (1), the quantity of second band pulley (18) is a plurality of.

5. The slewing stop device of a marine crane according to claim 1, wherein: interior diapire fixedly connected with electric putter (21) of base (1), the one end fixedly connected with backup pad (22) of electric putter (21), one side fixedly connected with limit switch (23) of backup pad (22), limit switch (23) are connected through wire and motor (3) electricity, one side of base (1) is provided with control switch, control switch passes through the wire and is connected with electric putter (21) electricity, limit switch (23) are connected through wire and motor (3) electricity.

6. The slewing stop device of a marine crane according to claim 1, wherein: the upper side of the base (1) is rotatably connected with a rotating disc (24), and the lower surface of the rotating disc (24) is fixedly connected with the upper surface of the second gear (5).